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I want spring boot application which accepts https request and send this request to other app on http and send this http response back to https req

I tried and able to read the CA certificates succsssfully send in request. But when sending request to other app over http getting error as " This combination of host and port required TLS" . Is there any way I can send the request to http and on receiving response, send this response back to https request.

you need to enable http on the server you are sending request to.

Apache Camel HTTP Timeout

I am using Apache Camel route for HTTP call. I wanted to add timeout if there is delay from host system.
I am using the following configuration but it is not working. The client request is getting timeout without waiting host system timeout. The client timeout is configured in CXF but the camel timeout is configured in camel route. It should timeout in 4 second and it should go to error processor and but it is not happening.
HTTP
<setHeader headerName="CamelHttpQuery">
<constant>httpclient.soTimeout=4000&bridgeEndpoint=true&throwExceptionOnFailure=false</constant>
<setHeader>
HTTP4
<setHeader headerName="CamelHttpQuery"><constant>httpclient.socketTimout=4000&bridgeEndpoint=true&throwExceptionOnFailure=false</constant>
<setHeader>
Thanks

Please be attentive for syntax. Correct spelling
httpClient.socketTimeout=4000&bridgeEndpoint=true&throwExceptionOnFailure=false
But even after correcting parameters it will not work. Instead of configuring http endpoint you send your parameters as query string of request to server. For set up endpoint just add your parameters to it and use CamelHttpQuery header for request parameters.

POST payload over HTTPS connection in Spring

I am trying to connect to third party system over HTTPS connection and post parameters to receive a response. This is gonna be a POC I will be doing for which I am already started researching. I have already done a client-server TCP connection with an outbound gateway using SI in my spring application. Does SI provide a way to achieve HTTPS connection or is there any easier way, RestTemplate?
I could see Spring Integration - how to send POST parameters with http outbound-gateway, but it talks about HTTP rather than HTTPS.
Note: A linux server already communicates to this third party system using CURL. I need to replicate this communication in my spring application. Here is the sample Req / Res shared.
Request data: ord=000000&term=022&storenum=00623&fgen=667&action=1024&ctime=072119:22:23:32&tmout=08&PLU=00007565604633&BC=10364678071919225000623&QTY= 1.000
Response: 000000022006231024ctime=072119:22:23:32&itmz=P---11NSFU-T&desc=JARU ALL MN LT UP DIAMOND&rmfsline=1&avqty=1.0&barcode=10364678071919225000623&qty=1.0&rcptqty=3.0000&rcptline=5&upc=7565604633&reqqty=1.0&unitprice=1.97&price=5.91&dept=92&resp=00&POST /RMFSWeb/LineAuthListener? HTTP/1.1
Also, the URL shared with me is https://xx-cert.keb.com:20143 but this doesn't have a class/method name in the URL. Is it not required for an HTTPS connection?
Please share your thoughts on how I can achieve https connection from spring with the data above. Thanks for your help

RestTemplate with PostRequest will do all your job.
Refer an answer by 'Tharshan' in this post.
How to POST form data with Spring RestTemplate?

Apache Camel received Status 400 Bad Request from AWS VPC Endpont

I have a Java application which was built with Apache Camel. The application uses Apache Camel to construct an HTTP request to AWS VPC Endpoint.
When the Java application sends out an HTTP request, it receives HTTP Status Code 400 (Bad Request). The VPC Flow Log can be found with the traffic (correct source and destination IP addresses).
On the other hand, if we use curl command to send the same HTTP request, it turns back 200 OK.
What is a possible cause? Is there any configuration in Apache Camel to see what is the exact HTTP content or raw HTTP header/message sent out?

You could check if Content-Type and other mandatory request headers are available at Exchange.in.headers. Just log in.headers within camel-simple tag. I think 400 happening because improper content-type or bad payload.

It might be that you are sending headers that are not allowed by the API since Camel maps message headers automatically to HTTP headers.
Camel's camel-http4 component uses Apache HttpClient 4.x library and you can configure it to log raw http requests.
For instance with log4j you would add to properties:
log4j.logger.org.apache.http=DEBUG
Detailed logging options can be seen from here: https://hc.apache.org/httpcomponents-client-4.5.x/logging.html

JAX-WS + SOAP: How to parse HTTP Client Error

I'm using JAX-WS + SOAP to communicate to a webservice. I can handle the SOAP message (handleFault) but i cannot understand how to catch HTTP errors, because they occur under the HTTP Java client layer...
com.sun.xml.ws.client.ClientTransportException: The server sent HTTP status code 412: Precondition Failed
at com.sun.xml.ws.transport.http.client.HttpTransportPipe.checkStatusCode(HttpTransportPipe.java:203)
at com.sun.xml.ws.transport.http.client.HttpTransportPipe.process(HttpTransportPipe.java:177)
at com.sun.xml.ws.transport.http.client.HttpTransportPipe.processRequest(HttpTransportPipe.java:93)
at com.sun.xml.ws.api.pipe.Fiber.__doRun(Fiber.java:598)
at com.sun.xml.ws.api.pipe.Fiber._doRun(Fiber.java:557)
at com.sun.xml.ws.api.pipe.Fiber.doRun(Fiber.java:542)
at com.sun.xml.ws.api.pipe.Fiber.runSync(Fiber.java:439)
at com.sun.xml.ws.client.Stub.process(Stub.java:222)
at com.sun.xml.ws.client.sei.SEIStub.doProcess(SEIStub.java:135)
at com.sun.xml.ws.client.sei.SyncMethodHandler.invoke(SyncMethodHandler.java:109)
at com.sun.xml.ws.client.sei.SyncMethodHandler.invoke(SyncMethodHandler.java:89)
at com.sun.xml.ws.client.sei.SEIStub.invoke(SEIStub.java:118)
I know the server should include an entity containing an explanation of the error situation (and, in fact, i've been told it's doing just that).
My question is: HOW to reach that "entity"?

Looks like web service is not implemented according to specification. According to W3C Note 08 May 2000 on SOAP 1.1 (same with SOAP 1.2):
In case of a SOAP error while processing the request, the SOAP HTTP server MUST issue an HTTP 500 "Internal Server Error" response and include a SOAP message in the response containing a SOAP Fault element (see section 4.4) indicating the SOAP processing error.
Even if there is some "entity" I don't think you should handle that in your application. It would be definitely a hack. If you need to learn what entity is it only once, just use some sniffer tool like Wireshark.
If you really want to ignore HTTP status code you can switch to CXF as a JAX-WS implementation. There you can disable checking HTTP code:
org.apache.cxf.endpoint.Client client = ClientProxy.getClient(hw);
client.getRequestContext().put("org.apache.cxf.http.no_io_exceptions", "true");